You typically can't buy a money order with a credit card. Instead, you'll need to use cash or a debit card that takes funds directly from your bank account.To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. Many establishments will ask you to pay for the money order in cash. In some cases you will be able to pay with a credit or debit card. Most providers do not accept credit cards for money order purchases and, if they do, the credit card issuer will typically treat it as a cash advance. You can pay in person at the court using cash, cashier's check, money orders or credit cards. The recipient(s) will also need to supply a valid photo ID to cash out the money order. Fill in the recipient's name. Setting Up Direct Deposit.